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  2. File:ME-CFS symptoms according to 5 sets of criteria.pdf

    en.wikipedia.org/wiki/File:ME-CFS_symptoms...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...

  3. Leak-down tester - Wikipedia

    en.wikipedia.org/wiki/Leak-down_tester

    Testing is done on an engine which is not running, and normally with the tested cylinder at top dead center on compression, although testing can be done at other points in the compression and power stroke. Pressure is fed into a cylinder via the spark plug hole and the flow, which represents any leakage from the cylinder, is measured. Leak-down ...

  4. Firing order - Wikipedia

    en.wikipedia.org/wiki/Firing_order

    For this inline-4 engine, 1-3-4-2 could be a valid firing order.. The firing order of an internal combustion engine is the sequence of ignition for the cylinders.. In a spark ignition (e.g. gasoline/petrol) engine, the firing order corresponds to the order in which the spark plugs are operated.

  5. Pre-ignition - Wikipedia

    en.wikipedia.org/wiki/Pre-ignition

    In the case of highly supercharged or high compression multi-cylinder engines, pre-ignition can quickly melt or burn pistons since the power generated by other still functioning pistons will force the overheated ones along no matter how early the mix pre-ignites. Many engines have suffered such failure where improper fuel delivery is present.

  6. Cummins M-series engine - Wikipedia

    en.wikipedia.org/wiki/Cummins_M-series_engine

    The Cummins M-series engine is a straight-six diesel engine designed and produced by Cummins.It displaces 10.8 litres (659.1 cu in).Introduced as the M11 in 1994, it was built on the previous L10 engine (same 4.921 inches (125.0 mm) cylinder bore, but a longer 5.787 inches (147.0 mm) piston stroke compared to the L10's 5.354 inches (136.0 mm) stroke).

  7. Engine balance - Wikipedia

    en.wikipedia.org/wiki/Engine_balance

    An early example is the 3.3 L (200 cu in) and 3.8 L (229 cu in) Chevrolet 90° V6 engines, which have an 18° offset crankshaft resulting in an uneven firing interval. Newer examples, such as the Honda C engine , use 30° offset crank pins, resulting in an even firing interval.

  8. Variable Cylinder Management - Wikipedia

    en.wikipedia.org/wiki/Variable_Cylinder_Management

    Honda J35A 3.5L V6 SOHC i-VTEC Variable Cylinder Management(VCM) Engine on 2008 Honda Inspire. Variable Cylinder Management (VCM) is Honda's term for its variable displacement technology, which saves fuel by using the i-VTEC system to disable one bank of cylinders during specific driving conditions—for example, highway driving.

  9. Holden straight-six motor - Wikipedia

    en.wikipedia.org/wiki/Holden_straight-six_motor

    The Holden straight-six motor is a series of straight-six engines that were produced by General Motors Holden at their Port Melbourne plant between 1948 and 1986. The initial Grey motor was so dubbed because of the colour of the cylinder block, later motors came in the form of a Red, Blue, Black, and the four-cylinder Starfire engine.